基于POI数据的莱芜城市功能分析

Laiwu Urban function analysis based on POI Data

为充分认知莱芜市城市功能的基本情况,明确不同功能的影响力对城市空间的辐射范围,总结不同类型城市功能的空间集聚特征,采用POI数据截取城市各类服务设施的空间位置,以大众点评网的人气值为衡量依据,采用归一法为每个空间点赋值,进而得到不同类型功能点人气值的空间辐射范围,提出城市不同扩展方向的发展重点,为莱芜市相关规划提供依据。

In the background of the big data era,with the application of GIS technology,geography research methods has updated to realize the spatial agglomeration characteristics of the data and distribution,and showing the characteristics of certain urban development by visual technology.For further cognitive status information in Laiwu city to know more basic conditions of urban functions,to clear the influence of the different functions in the urban space radiation scope,and then summed up the agglomeration characteristics of different types of urban functions.This paper adopts the POI data to capture urban spatial location of all kinds of service facilities,with the growing popularity of public comments on the net as a value of measure basis,using the normalization method to assign values to each space point,and getting a different type of function point popularity value range of space radiation,and then putting forward a different extension direction of city development,to provide basis for related planning in Laiwu city.